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If P can produce 60 cakes in 9 days and ...

If P can produce 60 cakes in 9 days and Q can product 70 cakes in 21 days, how many days will take to produce 100 cakes if they work together?

A

8

B

9

C

10

D

11

Text Solution

Verified by Experts

The correct Answer is:
C
(i) Find the number of cakes produced by both of them in a day and proceed.
(ii) From the given data find the number of days Pnand Q require to prduce 100 cakes.
(iii) Consider 100 cakes as 1 unit and then proceed in general way.
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